diff --git a/Rakefile b/Rakefile
index 2807615c38290..3bf727b3580d8 100644
--- a/Rakefile
+++ b/Rakefile
@@ -324,6 +324,18 @@ GeckoSDKs.new do |sdks|
   sdks.add 'third_party/gecko-28/win32',
            'http://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/28.0/sdk/xulrunner-28.0.en-US.win32.sdk.zip',
            'd7cdf541a15e2125a3658d569579dc44'
+
+  sdks.add 'third_party/gecko-29/linux',
+           'http://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/29.0/sdk/xulrunner-29.0.en-US.linux-i686.sdk.tar.bz2',
+           '347fce9e5ede63f876aa9ef4a6951fa6'
+
+  sdks.add 'third_party/gecko-29/linux64',
+           'http://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/29.0/sdk/xulrunner-29.0.en-US.linux-x86_64.sdk.tar.bz2',
+           '7593877a6863ad5b3cc4f0dfdf0446e7'
+
+  sdks.add 'third_party/gecko-29/win32',
+           'http://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/29.0/sdk/xulrunner-29.0.en-US.win32.sdk.zip',
+           'b2009f64cfa997887b341f5603abeaac'
 end
 
 task :'selenium-server_zip' do
diff --git a/cpp/build.desc b/cpp/build.desc
index f7b8effdcf20b..af256170e7c8b 100644
--- a/cpp/build.desc
+++ b/cpp/build.desc
@@ -48,28 +48,28 @@ mozilla_lib(name = "webdriver_firefox_previous",
     "webdriver-interactions/interactions_common.*",
     "webdriver-firefox/*.cpp"],
   arch = "i386",
-  geckoversion="27")
+  geckoversion="28")
 
 mozilla_lib(name = "webdriver_firefox_previous_64",
   srcs = [ "webdriver-interactions/*_linux*.cpp",
     "webdriver-interactions/interactions_common.*",
     "webdriver-firefox/*.cpp"],
   arch = "amd64",
-  geckoversion="27")
+  geckoversion="28")
 
 mozilla_lib(name = "webdriver_firefox_latest",
   srcs = [ "webdriver-interactions/*_linux*.cpp",
     "webdriver-interactions/interactions_common.*",
     "webdriver-firefox/*.cpp"],
   arch = "i386",
-  geckoversion="28")
+  geckoversion="29")
 
 mozilla_lib(name = "webdriver_firefox_latest_64",
   srcs = [ "webdriver-interactions/*_linux*.cpp",
     "webdriver-interactions/interactions_common.*",
     "webdriver-firefox/*.cpp"],
   arch = "amd64",
-  geckoversion="28")
+  geckoversion="29")
 
 gcc_library(name = "noblur",
   srcs = [ "linux-specific/*.c" ],
diff --git a/cpp/webdriver-firefox/build.desc b/cpp/webdriver-firefox/build.desc
index 0607d7f11372e..3a5b562754abc 100644
--- a/cpp/webdriver-firefox/build.desc
+++ b/cpp/webdriver-firefox/build.desc
@@ -15,13 +15,13 @@ visualc_library(name = "latest_esr",
 visualc_library(name = "previous",
   platform = "Win32",
   project = "webdriver-firefox-previous.vcxproj",
-  file_deps = "third_party/gecko-27/win32",
+  file_deps = "third_party/gecko-28/win32",
   out = "Win32/Release/webdriver-firefox-previous.dll"
 )
 
 visualc_library(name = "latest",
   platform = "Win32",
   project = "webdriver-firefox-latest.vcxproj",
-  file_deps = "third_party/gecko-28/win32",
+  file_deps = "third_party/gecko-29/win32",
   out = "Win32/Release/webdriver-firefox-latest.dll"
 )
diff --git a/cpp/webdriver-firefox/webdriver-firefox-latest.vcxproj b/cpp/webdriver-firefox/webdriver-firefox-latest.vcxproj
index aebe4559ddf63..59133fd6e7449 100644
--- a/cpp/webdriver-firefox/webdriver-firefox-latest.vcxproj
+++ b/cpp/webdriver-firefox/webdriver-firefox-latest.vcxproj
@@ -91,7 +91,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\include;$(ProjectDir)..\..\third_party\gecko-29\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -101,7 +101,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
@@ -112,7 +112,7 @@
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\include;$(ProjectDir)..\..\third_party\gecko-29\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -122,7 +122,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
@@ -131,7 +131,7 @@
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\include;$(ProjectDir)..\..\third_party\gecko-29\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -141,7 +141,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xul.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>false</GenerateDebugInformation>
       <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -155,7 +155,7 @@
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\include;$(ProjectDir)..\..\third_party\gecko-29\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -164,7 +164,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-29\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -199,4 +199,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/cpp/webdriver-firefox/webdriver-firefox-previous.vcxproj b/cpp/webdriver-firefox/webdriver-firefox-previous.vcxproj
index a8e03ccf9c254..2577f5b888c2b 100644
--- a/cpp/webdriver-firefox/webdriver-firefox-previous.vcxproj
+++ b/cpp/webdriver-firefox/webdriver-firefox-previous.vcxproj
@@ -91,7 +91,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\include;$(ProjectDir)..\..\third_party\gecko-27\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -101,7 +101,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xul.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
@@ -112,7 +112,7 @@
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\include;$(ProjectDir)..\..\third_party\gecko-27\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -122,7 +122,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xul.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
@@ -131,7 +131,7 @@
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\include;$(ProjectDir)..\..\third_party\gecko-27\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -141,7 +141,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xul.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>false</GenerateDebugInformation>
       <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -155,7 +155,7 @@
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\include;$(ProjectDir)..\..\third_party\gecko-27\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\include;$(ProjectDir)..\..\third_party\gecko-28\win32\include\nspr;$(ProjectDir)..\webdriver-interactions;$(ProjectDir)..\imehandler\common</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XP_WIN;XP_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -164,7 +164,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>nss3.lib;xul.lib;xpcomglue_s_nomozalloc.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-27\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(ProjectDir)..\..\third_party\gecko-28\win32\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -199,4 +199,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file